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DARK

Takes an exposure without opening the CCD shutter, and transfers the data plus headers to a file on the system computer.

Format: DARK <channel> <time> ["

Channel: The name of the data-acquisition channel to be used.

Time: The exposure time in seconds.

Title: A title for the observation optional.

Examples: dark red 9999 "Measuring dark counts"

Queuable: Yes.

Comments: As for the RUN command, except that the shutter is not opened, and the observation type is set in the headers as DARK.